package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

/*
 执行DML语句-UPDATE
*/
public class JDBCDemo4 {
    public static void main(String[] args) throws Exception{
//        Class.forName("com.mysql.jdbc.Driver");
//        Connection conn = DriverManager.getConnection(
//                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
//                "root",
//                "192045");
        Connection conn = DBUtil.getConnection();
        Statement state = conn.createStatement();
        String sql = "DELETE FROM userinfo " +
                "WHERE id = 1";

        int num = state.executeUpdate(sql);
        System.out.println(num>0? "删除成功":"删除失败");

        conn.close();
    }
}
